000 00219 a2200097 4500
001 24010
100 _aPemerton, J.E
245 _aHow to find out in mathematics ?
260 _a
_bPergamon
_c1969
090 _c16250
_d16250
942 _aNUST-CAE
_cM
_c6948
999 _c259083
_d259083